Sha256: 89253681506c8a9ccedc0cf35bda18b57628d27f09e9d3d4f1d64bd081ab81eb
Contents?: true
Size: 1.71 KB
Versions: 11
Compression:
Stored size: 1.71 KB
Contents
(function($) {
// Only show scroll indicators if at least 20% of the panorama is
// outside of the viewport.
var minOverflowFraction = 1.2;
// Ensure scroll indicators are already hidden when the scroller
// decelerates while approaching the max scroll position.
var margin = 40;
$.widget('pageflow.linkmapScrollIndicators', {
_create: function() {
var scroller = this.options.scroller;
this.arrows = this.element.find('.linkmap-arrow');
scroller.onScroll(_.bind(this.refresh, this));
scroller.onScrollEnd(_.bind(this.refresh, this));
this.refresh();
if (this.options.disabled) {
this.disable();
}
},
refresh: function() {
var element = this.element;
var scroller = this.options.scroller;
var viewport = this.options.viewport;
var innerScrollerElement = this.options.innerScrollerElement;
var showH = innerScrollerElement.width() / viewport.width() > minOverflowFraction;
var showV = innerScrollerElement.height() / viewport.height() > minOverflowFraction;
element.toggleClass('can_scroll_left',
showH && Math.ceil(scroller.positionX()) < - margin);
element.toggleClass('can_scroll_right',
showH && Math.floor(scroller.positionX()) > scroller.maxX() + margin);
element.toggleClass('can_scroll_up',
showV && Math.ceil(scroller.positionY()) < - margin);
element.toggleClass('can_scroll_down',
showV && Math.floor(scroller.positionY()) > scroller.maxY() + margin);
},
disable: function() {
this.arrows.hide();
},
enable: function() {
this.arrows.show();
}
});
}(jQuery));
Version data entries
11 entries across 11 versions & 1 rubygems